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Obturator membrane

Obturator membrane
Anterior cut-out view of right pelvis, obturator membrane labeled at center.
Details
Identifiers
Latinmembrana obturatoria
TA98A03.6.01.002
TA21848
FMA25709
Anatomical terminology

The obturator membrane is a thin fibrous sheet, which almost completely closes the obturator foramen.

Its fibers are arranged in interlacing bundles mainly transverse in direction; the uppermost bundle is attached to the obturator tubercles and completes the obturator canal for the passage of the obturator vessels and nerve.

The membrane is attached to the sharp margin of the obturator foramen except at its lower lateral angle, where it is fixed to the pelvic surface of the inferior ramus of the ischium, i. e., within the margin.

Both obturator muscles are connected with this membrane.

Additional images

References

Public domain This article incorporates text in the public domain from page 476 of the 20th edition of Gray's Anatomy (1918)


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Obturator membrane
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